Home / 112,936.48-155,851.26-61,948.16

Finding the Fourth Proportional to 112,936.48, 155,851.26 and 61,948.16

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Solution

The fourth proportional to 112,936.48, 155,851.26 and 61,948.16 is: 85,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,936.48 : 155,851.26 = 61,948.16 : x
  2. Step 2: Convert to fraction form
    112,936.48/155,851.26 = 61,948.16/x
  3. Step 3: Cross multiply
    112,936.48x = 155,851.26 × 61,948.16
  4. Step 4: Simplify right side
    112,936.48x = 9,654,698,790.68
  5. Step 5: Solve for x
    x = 9,654,698,790.68/112,936.48
  6. Step 6: Final answer
    x = 85,487.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.